How the X (Twitter) Algorithm Works in 2026
By Sean
X's timeline ranks posts on predicted engagement — mostly replies and reposts — within a short window, because content on X has a short shelf life. The 'For You' feed shows your post to a test slice; strong early conversation expands it. Being in conversations (replying to bigger accounts) is often a faster growth lever than posting.
Replies & conversation
Replies are weighted heavily — a post that sparks discussion outranks one with more likes. X wants conversations.
Reposts & quotes
Reposts extend reach into new networks; quote-posts add conversation on top.
Early engagement velocity
Because posts decay fast, the first 30–60 minutes largely decide reach.
Dwell & profile clicks
Time spent on a post (threads help) and clicks to your profile signal quality.
What the algorithm rewards
- Lead with the payoff; write threads that hold attention past the first post.
- Reply to larger in-niche accounts daily — the fastest organic reach on X.
- Keep it native — avoid outbound links in the main post, which suppress reach.
What quietly kills your reach
- Dropping a link with no context, which gets reach-throttled.
- Posting and leaving — no early replies means no distribution.
- Engagement-bait that both the system and users punish.
What changed in 2026
X's algorithm openly favors verified accounts and native content, deprioritizes posts with external links, and heavily rewards reply-driven conversation. Long-form posts and threads that keep users on-platform get more reach than link-outs.
X (Twitter) limits and edge cases
X published its ranking weights
In the configuration X released on 13 August 2026, a copy-link share scores +20 and a standard reply +5, the same as a quote or a DM share. A like scores +0.5, and a bookmark scores 0: it's still tracked but no longer ranked. The negative weights are much heavier: report −234, mute −58.8, “not interested” −43.2 and block −31.2.
Links in the main post are downranked
Coverage of the same release describes posts with external links being pushed down in For You to keep people on X, with a smaller penalty for high-authority sources. Put the substance in the post itself, and if you need a link, a reply is the usual place for it.
Free accounts have hard daily caps
Since May 2026, unverified accounts can publish 50 original posts and 200 replies a day. Free accounts are also held to 280 characters and 140-second videos. Premium raises those limits to 25,000 characters and up to four hours of video.
Following isn't chronological anymore
Since November 2025, the Following feed is sorted by predicted engagement rather than time. Reaching your own followers depends on early engagement, not just on posting at the right minute.
Some accounts can see their own labels
X's “Under the Hood” pilot lets eligible accounts download the visibility-limiting labels applied to them in the last calendar month. Eligibility is accounts at least a year old that post 10 or more times a month, in a randomized pilot. For those accounts it's the closest thing to a shadowban check X offers.
Platform facts as of . Platforms change these rules often — check the platform's own help pages before you rely on a number.
Sources
Where the ranking signals above come from: X (Twitter)'s own published documentation, plus engagement data wherever the guide makes a timing claim.
- X (Twitter) — open-source algorithm — Heavy ranker README: engagement weights for the For You timeline (checked )
- X (Twitter) — open-source algorithm — the-algorithm: source code for the X recommendation algorithm (checked )
- Buffer — Best time to post on X — 8.7M posts analysed (checked )
Other X (Twitter) algorithm questions
- Do links reduce reach on X?
- Generally yes. X wants to keep users on-platform, so posts with prominent outbound links tend to get less distribution. A common approach is to post the content natively and put any link in a reply.
- How long do posts last on X?
- Not long — X is real-time, and most of a post's reach happens in the first hour or two. That's why early engagement velocity and posting when your audience is active matter so much.